Band, 37mm Shrink, Red 1000/Pack Back Catalog number: GB37R1000 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFG858X10 Filter, Glass Fiber, Binderless, 1.1µm, 8" x 10", Price on request 800843 Carrying Case, Hard Side, Deluxe (18" x 13" x 7"), Price on request 830-0001-01 Model AP-20S Gas Detection Pump Kit Price on request